1*3833Sxw161283 /*
2*3833Sxw161283 * CDDL HEADER START
3*3833Sxw161283 *
4*3833Sxw161283 * The contents of this file are subject to the terms of the
5*3833Sxw161283 * Common Development and Distribution License (the "License").
6*3833Sxw161283 * You may not use this file except in compliance with the License.
7*3833Sxw161283 *
8*3833Sxw161283 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9*3833Sxw161283 * or http://www.opensolaris.org/os/licensing.
10*3833Sxw161283 * See the License for the specific language governing permissions
11*3833Sxw161283 * and limitations under the License.
12*3833Sxw161283 *
13*3833Sxw161283 * When distributing Covered Code, include this CDDL HEADER in each
14*3833Sxw161283 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15*3833Sxw161283 * If applicable, add the following below this CDDL HEADER, with the
16*3833Sxw161283 * fields enclosed by brackets "[]" replaced with your own identifying
17*3833Sxw161283 * information: Portions Copyright [yyyy] [name of copyright owner]
18*3833Sxw161283 *
19*3833Sxw161283 * CDDL HEADER END
20*3833Sxw161283 */
21*3833Sxw161283
22*3833Sxw161283 /*
23*3833Sxw161283 * Copyright (C) 2003-2005 Chelsio Communications. All rights reserved.
24*3833Sxw161283 */
25*3833Sxw161283
26*3833Sxw161283 #pragma ident "%Z%%M% %I% %E% SMI" /* cspi.c */
27*3833Sxw161283
28*3833Sxw161283 #include "common.h"
29*3833Sxw161283 #include "regs.h"
30*3833Sxw161283 #include "cspi.h"
31*3833Sxw161283
32*3833Sxw161283 struct pecspi {
33*3833Sxw161283 adapter_t *adapter;
34*3833Sxw161283 };
35*3833Sxw161283
t1_cspi_intr_enable(struct pecspi * cspi)36*3833Sxw161283 int t1_cspi_intr_enable(struct pecspi *cspi)
37*3833Sxw161283 {
38*3833Sxw161283 t1_write_reg_4(cspi->adapter, A_CSPI_INTR_ENABLE, 0xffffffff);
39*3833Sxw161283 return 0;
40*3833Sxw161283 }
41*3833Sxw161283
t1_cspi_intr_disable(struct pecspi * cspi)42*3833Sxw161283 int t1_cspi_intr_disable(struct pecspi *cspi)
43*3833Sxw161283 {
44*3833Sxw161283 t1_write_reg_4(cspi->adapter, A_CSPI_INTR_ENABLE, 0);
45*3833Sxw161283 return 0;
46*3833Sxw161283 }
47*3833Sxw161283
t1_cspi_intr_status_read(struct pecspi * cspi,u32 * status)48*3833Sxw161283 int t1_cspi_intr_status_read(struct pecspi *cspi, u32 *status)
49*3833Sxw161283 {
50*3833Sxw161283 *status = t1_read_reg_4(cspi->adapter, A_CSPI_INTR_STATUS);
51*3833Sxw161283
52*3833Sxw161283 /* TBD XXX Need to poll in case of parity/overflow */
53*3833Sxw161283 /* t1_write_reg_4( adapter, CSPI_REG_RAMSTATUS, ); */
54*3833Sxw161283
55*3833Sxw161283 return 0;
56*3833Sxw161283 }
57*3833Sxw161283
t1_cspi_init(struct pecspi * cspi)58*3833Sxw161283 int t1_cspi_init(struct pecspi *cspi)
59*3833Sxw161283 {
60*3833Sxw161283 adapter_t *adapter = cspi->adapter;
61*3833Sxw161283
62*3833Sxw161283 t1_write_reg_4(adapter, A_CSPI_CALENDAR_LEN, 15);
63*3833Sxw161283 t1_write_reg_4(adapter, A_CSPI_FIFO_STATUS_ENABLE, 1);
64*3833Sxw161283 return 0;
65*3833Sxw161283 }
66*3833Sxw161283
t1_cspi_create(adapter_t * adapter)67*3833Sxw161283 struct pecspi *t1_cspi_create(adapter_t *adapter)
68*3833Sxw161283 {
69*3833Sxw161283 struct pecspi *cspi = t1_os_malloc_wait_zero(sizeof(*cspi));
70*3833Sxw161283
71*3833Sxw161283 if (cspi)
72*3833Sxw161283 cspi->adapter = adapter;
73*3833Sxw161283 return cspi;
74*3833Sxw161283 }
75*3833Sxw161283
t1_cspi_destroy(struct pecspi * cspi)76*3833Sxw161283 void t1_cspi_destroy(struct pecspi *cspi)
77*3833Sxw161283 {
78*3833Sxw161283 t1_os_free((void *)cspi, sizeof(*cspi));
79*3833Sxw161283 }
80